53677321 has 4 divisors (see below), whose sum is σ = 53827200. Its totient is φ = 53527444.

The previous prime is 53677319. The next prime is 53677333. The reversal of 53677321 is 12377635.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53677321 - 2¹ = 53677319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53677301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74401 + ... + 75118.

It is an arithmetic number, because the mean of its divisors is an integer number (13456800).

Almost surely, 2^53677321 is an apocalyptic number.

It is an amenable number.

53677321 is a deficient number, since it is larger than the sum of its proper divisors (149879).

53677321 is a wasteful number, since it uses less digits than its factorization.

53677321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149878.

The product of its digits is 26460, while the sum is 34.

The square root of 53677321 is about 7326.4808059532. The cubic root of 53677321 is about 377.2219398787.

The spelling of 53677321 in words is "fifty-three million, six hundred seventy-seven thousand, three hundred twenty-one".